W dniu 19.04.2023 o 17:23, Wietse Venema via Postfix-users pisze:
natan via Postfix-users:
Hi
I have question about *_error_limit and postfix
I have separated services like
smtp incomming and smtp outgoing and webmail
I have roudcube which is used by several thousand users
On smtp outgoing in main.cf:
...
smtpd_client_connection_count_limit = 900
smtpd_hard_error_limit = 5
smtpd_soft_error_limit = 2
First: your limits are much smaller than the default, and second:
what kinds of errors are causing Postfix to reject commands?
I'd like to exclude all too many errors * for a specific IP
I would like to avoid that in case of any "too many errors" problems
with sending mails from roundcube
Of course, when I find errors, I try to remove them - it's obvious
But in this time I need a sollutions to whitelists thats IP
Some times I get "too many errors after NOOP from zabbix"
In the following case, for example, zabbix has a problem with sending
once in a while
local zabbix admin say they won't do anything about it
zabbix send 3 x times for 1min
Additionally for smtpd_junk_command_limit = ${stress?{1}:{100}}
but problem with too many errors after NOOP from zabbix - sometimes it
shows up
Wietse
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